add ability to send sms in emoji (#165)

emoji/proto/emoji.proto

@@ -8,6 +8,7 @@ service Emoji {
 	rpc Find(FindRequest) returns (FindResponse) {}
 	rpc Flag(FlagRequest) returns (FlagResponse) {}
 	rpc Print(PrintRequest) returns (PrintResponse) {}
+	rpc Send(SendRequest) returns (SendResponse) {}
 }
 
 // Find an emoji by its alias e.g :beer:
@@ -43,3 +44,18 @@ message PrintResponse {
 	// text with rendered emojis
 	string text = 1;
 }
+
+// Send an emoji to anyone via SMS
+message SendRequest {
+	// who the message is from e.g Alice
+	string from = 1;
+	// phone number to send to (including international dialing code)
+	string to = 2;
+	// message to send including emoji aliases
+	string message = 3;
+}
+
+message SendResponse {
+	// whether or not it succeeded
+	bool success = 1;
+}